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US 2017/0115901 A1Published application
Shifting wearout of storage disks
AssigneeInternational Business Machines Corporation
InventorsJEFFERY M. FRANKE, JAMES A. O'CONNOR
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Abstract
Technical solutions are described that shift wearout of an array of storage disks in a storage system. In an aspect, a method includes receiving a request to write data to the storage system. The method also includes generating checksum data corresponding to the data and dividing the checksum data into portions of distinct sizes. The method also includes writing each portion of the checksum data onto a respective storage disk in the array.
Claims9
A method for shifting wearout of storage disks in an array of storage disks in a storage system, the method comprising:
- receiving, by a controller of the storage system, a request to write data to the storage system;
- generating, by the controller, checksum data corresponding to the data;
- dividing, by the controller, the checksum data into portions of distinct sizes;
- and
- writing, by the controller, each portion of the checksum data onto a respective storage disk in the array.
2 more elements
Dependencies are inferred from the claim text.